Rear - Front sprockets MJ rear sprocket for HUSQVARNA TC 50 17-21 MJ Corse MJ.262 €32.91 High quality duraluminium (ergal) rear sprocket for HUSQVARNA TC 50 17-21, with chain pitches 415 and with number of teeth from 34 to 60. Select the chain pitch and number of teeth you need by clicking below. Add to cart